Architects Toshiko Mori and Maya Lin, center, break ground for Novartis’ new building at 181 Massachusetts Ave. The new building, on the former Analog Devices lot, should start to rise up in early 2013. To the right of Lin are outgoing City Manager Robert W. Healy, Cambridge Mayor Henrietta Davis, Massachusetts Governer Deval Patrick, and Novartis’ Mark Fishman.